Re-enable separation of protobufs for Python 2 and Python 3

Это откат коммита https://a.yandex-team.ru/arcadia/commit/rXXXXXX
И соответственно возврат коммитов https://a.yandex-team.ru/arcadia/commit/rXXXXXX и https://a.yandex-team.ru/arcadia/commit/rXXXXXX

Починка причины отката влилась здесь: https://a.yandex-team.ru/arcadia/commit/rXXXXXX
ae529e54d3ef7992b0e9f152373bc300061c1293

1 files changed, 101 insertions, 0 deletions

diff --git a/contrib/libs/protobuf_old/src/google/protobuf/util/internal/constants.h b/contrib/libs/protobuf_old/src/google/protobuf/util/internal/constants.h
new file mode 100644
index 0000000000..9dcdfb8ad7
--- /dev/null
+++ b/contrib/libs/protobuf_old/src/google/protobuf/util/internal/constants.h
@@ -0,0 +1,101 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// https://developers.google.com/protocol-buffers/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#ifndef GOOGLE_PROTOBUF_UTIL_CONVERTER_CONSTANTS_H__
+#define GOOGLE_PROTOBUF_UTIL_CONVERTER_CONSTANTS_H__
+
+#include <cstdint>
+
+#include <google/protobuf/stubs/common.h>
+
+// This file contains constants used by //net/proto2/util/converter.
+
+namespace google {
+namespace protobuf {
+namespace util {
+namespace converter {
+// Prefix for type URLs.
+const char kTypeServiceBaseUrl[] = "type.googleapis.com";
+
+// Format string for RFC3339 timestamp formatting.
+const char kRfc3339TimeFormat[] = "%E4Y-%m-%dT%H:%M:%S";
+
+// Same as above, but the year value is not zero-padded i.e. this accepts
+// timestamps like "1-01-0001T23:59:59Z" instead of "0001-01-0001T23:59:59Z".
+const char kRfc3339TimeFormatNoPadding[] = "%Y-%m-%dT%H:%M:%S";
+
+// Minimum seconds allowed in a google.protobuf.Timestamp value.
+const arc_i64 kTimestampMinSeconds = -62135596800LL;
+
+// Maximum seconds allowed in a google.protobuf.Timestamp value.
+const arc_i64 kTimestampMaxSeconds = 253402300799LL;
+
+// Minimum seconds allowed in a google.protobuf.Duration value.
+const arc_i64 kDurationMinSeconds = -315576000000LL;
+
+// Maximum seconds allowed in a google.protobuf.Duration value.
+const arc_i64 kDurationMaxSeconds = 315576000000LL;
+
+// Nano seconds in a second.
+const arc_i32 kNanosPerSecond = 1000000000;
+
+// Type url representing NULL values in google.protobuf.Struct type.
+const char kStructNullValueTypeUrl[] =
+    "type.googleapis.com/google.protobuf.NullValue";
+
+// Type string for google.protobuf.Struct
+const char kStructType[] = "google.protobuf.Struct";
+
+// Type string for struct.proto's google.protobuf.Value value type.
+const char kStructValueType[] = "google.protobuf.Value";
+
+// Type string for struct.proto's google.protobuf.ListValue value type.
+const char kStructListValueType[] = "google.protobuf.ListValue";
+
+// Type string for google.protobuf.Timestamp
+const char kTimestampType[] = "google.protobuf.Timestamp";
+
+// Type string for google.protobuf.Duration
+const char kDurationType[] = "google.protobuf.Duration";
+
+// Type URL for struct value type google.protobuf.Value
+const char kStructValueTypeUrl[] = "type.googleapis.com/google.protobuf.Value";
+
+// Type string for google.protobuf.Any
+const char kAnyType[] = "google.protobuf.Any";
+
+// The protobuf option name of jspb.message_id;
+const char kOptionJspbMessageId[] = "jspb.message_id";
+
+}  // namespace converter
+}  // namespace util
+}  // namespace protobuf
+}  // namespace google
+#endif  // GOOGLE_PROTOBUF_UTIL_CONVERTER_CONSTANTS_H__